Information Centre - Signals & Telecomms
The Institution of Railway Signal Engineers
Known more usually as the IRSE, is an international organisation, active throughout the world.
Sam's Telecomms
Web sites for those with an interest in the history of telecomms. Collectors, museums, personalities, reminiscences.
Signalling Record Society
The Signalling Record Society exists to maintain and share knowledge of Railway Signalling and Operation in the British Isles and Overseas.
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